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Enterprise Java
ADF Task Flow: Managed bean scopes for page fragments
Introduction When we work with ADF Task Flows and need to implement some flow specific business logic or store some…
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Enterprise Java
Google AppEngine: Task Queues API
Task Queues com.google.appengine.api.taskqueue With Task Queues a user can initiate a request to have applications perform work outside of this…
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Software Development
Why Developers Never Use State Machines
A few months ago I saw a great little blog post about state machines on the Shopify blog. The message…
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Desktop Java
JBox2D and JavaFX: Events and forces
In yesterdays samples you saw how you can create a simple world, and display it with WorldView, and how to…
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Groovy
Using Groovy scriptlets inside a *.docx document
Introduction One of my recent projects required automated generation of contracts for customers. Contract is a legal document of about…
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Software Development
Stupid Design Decisions (Part I)
Maybe you know the joke where a young software engineer goes into a bar, puts a green frog on top…
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Enterprise Java
Custom JSF validator for required fields
JSF components implementing EditableValueHolder interface have two attributes ‘ required’ and ‘ requiredMessage’ – a flag indicating that the user…
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Enterprise Java
Akka STM – Playing PingPong with STM Refs and Agents
PingPong is a classic example where 2 players (or threads) access a shared resource – PingPong Table and pass the…
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Enterprise Java
REST CXF for Spring JPA2 backend
In this demo, we will generate a REST/CXF application with spring/jpa2 backend. This demo presents the track REST-CXF of minuteproject.…
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